luther king jr.'s papers, part of three days of booktv this weekend, monday featuring authors and books on the inauguration, president obama and martin luther king jr.. >> last week booktv attended the key west literary seminar in florida. today from noon to 3:00 eastern we bring several of her talks and panels from the event. paul hendrickson, robert richardson, and many more present and discuss their books. >> fred. this is the white house correspondent and author of the right frequency:the story of the talk radio giants who shook up the political and media establishment. what a talk radio giants we are talking about? >> today you have rush limbaugh, glen beck but this goes to the very beginning, walter winchell, it shows the trajectory of how talk radio began, the beginning of radio. i use this as a history of the united states since 1920 through the lens of talk radio. >> going all the way back what year are we talking about? >> we are talking about a 20s. the dean of commentators, the first guy i